Difference between revisions of "Water bubble point pressure"

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(Created page with "__TOC__ ==Water bubble point pressure== The concentration of solids in formation water (brines) are reported in several different ways <ref name= M1990/>. ==Math and Physics...")
 
 
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==Water bubble point pressure==
 
==Water bubble point pressure==
  
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The concentration of solids in formation water (brines) are reported in several different ways <ref name= M1990/>.
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The bubble point of a gas-saturated formation water (brine) is equal to the bubble point pressure of coexisting oil <ref name= M1990/>.
  
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==Math and Physics==
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The two are equal because of thermodynamic equilibrium between the brine and the oil.
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:<math> C_{ppm} = \frac{gram\ solid}{10^6\ gram\ water}</math>
 
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:<math> C_{mg/l} = \frac{milligram\ solid}{litre\ water}</math>
 
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:<math> C_W = \frac{gram\ solid}{100\ gram\ water}</math>
 
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==Conversions==
 
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:<math> C_{mg/l} = C_{ppm}\ SG_w</math>
 
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Often, parts per million and milligrams per liter are used interchangeably. This is correct only if the density of the brine at standard conditions can be assumed to be 1 g/cc ( 1000 kg/m3, SG_w=1, 62.428 lbm/ft3) <ref name= M1990/>.
 
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:<math> C_W = C_{ppm}/10000</math>
 
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== Nomenclature  ==
 
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:<math> C_{ppm} </math> = water salinity or solids concentration, ppm
 
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:<math> C_{mg/l} </math> = water salinity or solids concentration, mg/l
 
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:<math> C_W </math> = water salinity or weight percent solids, %
 
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:<math> SG_w </math> = water specific gravity, dimensionless
 
  
 
==See also==
 
==See also==
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:[[Water bubble point pressure]]<BR/>
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:[[Water compressibility]]<BR/>
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:[[Water density]]<BR/>
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:[[Water formation volume factor]]<BR/>
 
:[[Water salinity from density equation]]<BR/>
 
:[[Water salinity from density equation]]<BR/>
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:[[Water solids concentration]]<BR/>
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:[[Water viscosity]]<BR/>
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:[[Gas/Water Interfacial Tension]]
  
 
== References ==
 
== References ==

Latest revision as of 08:15, 5 October 2020

Water bubble point pressure

The bubble point of a gas-saturated formation water (brine) is equal to the bubble point pressure of coexisting oil [1].

The two are equal because of thermodynamic equilibrium between the brine and the oil.

See also

Water bubble point pressure
Water compressibility
Water density
Water formation volume factor
Water salinity from density equation
Water solids concentration
Water viscosity
Gas/Water Interfacial Tension

References

  1. ↑ McCain, W.D. Jr. (1990). Properties of Petroleum Fluids (2 ed.). Oklahoma: PennWell Corp. ISBN 978-0878143351. 
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